Peel the onion and slice it. Then fry it in the frying pan with a little oil.
Grab a large pot and pour 2 cups water and 2 cups chicken stock and add soaked barley and fried to it. Please put it on a medium flame and let it boil and cook.
Meanwhile, it would be best if you prepared its sauce. So take a saucepan and melt the butter in it.
Add flour to it and stir until cooking.
Add the other half of chicken stock to it little by little and stir it until it mixes well and gets smooth.
Let it boil and thicken. After thickening, add tomato paste to it and let it boil for another 5 minutes.
Peel carrot and potato and slice them.
Check if barley has been cooked well and add slices of carrot and potato to it and let them boil and cook.
After cooking all ingredients, add prepared sauce, salt, and turmeric and let it boil for some more minutes to thicken.
After that add the lemon juice and allow it to boil just for more five minutes.
Pour it into the serving bowl. Decorate the top with chopped parsley and Zereshk.
It is ready to serve. Enjoy it.